Physical and Mechanical Properties of Macor (Corning Glass) by Insaco

Macor® is a machinable glass ceramic which withstands high temperatures while providing tight tolerance capability.

Mechanical Properties of Macor®

The mechanical properties of Macor® are mentioned in the table below:

Property Value*
Density 2.52 gm/cc
Hardness 250 Knoop
Modulus of Elasticity 9.7 x 106 psi
Flexural Strength 15 kpsi
Compressive Strength 50 kpsi
Fracture Toughness 1.53 MPa m1/2

*All properties are at room temperature unless otherwise noted.

Electrical Properties of Macor®

The electrical properties of Macor® are mentioned in the table below:

Property Value*
Dielectric Strength 785 ac V/mil
Dielectric Constant 6.03(@ 1 MHz)
Volume Resistivity >1014 ohm-cm

*All properties are at room temperature unless otherwise noted.

Thermal Properties of Macor®

The thermal properties of Macor®are mentioned in the table below:

Property Value*
Coefficient of Thermal Expansion 9.4 x 10-6/°C
Thermal Conductivity 1.46 W/mK
Specific Heat 0.19 cal/g°C
Maximum Working Temperature 1000°C

*All properties are at room temperature unless otherwise noted.

Other Glass Ceramics Supplied by Insaco

Other Glass Ceramics Supplied by Insaco include:

  • Zerodur®
  • Corning ULE®

About Insaco

For more than 60 years, Insaco has been synonymous with excellence in the development and production of high precision machined parts. As a custom fabricator of ceramic, glass, sapphire, and other hard materials, Insaco specializes in machining parts that often require tolerances measured in millionths of an inch, and wear properties that satisfy even the most demanding applications.

This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.

For more information on this source, please visit INSACO Inc.

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